This game is for adults

LLM RPG is for people 18 and over. Its worlds hold violence, crime and adult themes, and nothing in them is softened.

Solo DnD Games: Four Ways to Play Dungeons & Dragons Alone

Solo DnD games come in four shapes: a video game that plays the rules for you, the tabletop rules run by yourself with a dice-driven oracle, a solo journaling system built for one player, or an AI game master that narrates while you decide. Which one fits depends on a single question: do you want the rules of Dungeons & Dragons, or the feeling of sitting at a table while somebody describes a world that answers back? This guide walks through all four, what each costs you in setup and time, and when the plain dice-and-notebook way is all you need.

If your group keeps cancelling, you moved somewhere with no table nearby, or you simply want to play at midnight without scheduling anybody, every option below works with exactly one player.

The four kinds of solo DnD games at a glance

Way to playWhat runs the rulesWhat runs the storySetup before the first sceneBest for
A D&D video gameThe game enginePre-written by the studioInstall and goTactical combat and a polished campaign
Free rules plus a GM emulatorYouYou, prompted by oracle rollsAn evening of readingRules lovers who like to improvise
A solo journaling RPGA lightweight systemYou, writing it downAn hourReflective players who enjoy writing
An AI game masterLoosely, or not at allThe AI, reacting to your choicesMinutesStory-first players who want surprise

None of these is the “real” solo D&D. They trade the same three things against each other: how much of the rules you keep, how much of the storytelling you do yourself, and how much you can be surprised.

Option 1: a D&D video game with a party you control

The most polished way to play D&D alone is a computer game built on its rules. Baldur’s Gate 3 is the obvious example in 2026. Its own site answers the question directly, as of October 2026:

“CAN I PLAY A SINGLE-PLAYER CAMPAIGN? Absolutely! The game features an engaging single-player campaign filled with immersive storytelling…”

Larian’s page for the game also opens with “Gather your party”, and that is the trick that makes it work solo: you play the whole party, not one hero. Spell slots, saving throws, advantage and initiative are all handled for you, so you get the crunch without doing the arithmetic.

What you give up is authorship. The story is beautifully written, but it is the studio’s story. You choose among branches somebody planned. When you try something nobody wrote for, the game says no, politely, by having no button for it.

Choose this if you love tactical turn-based fights and want D&D’s rules exactly, with zero prep.

Option 2: the free rules and a GM emulator

This is the purist’s solo DnD game. You keep the tabletop rules and play both sides of the screen.

D&D Beyond lists the Basic Rules among its free books (as of October 2026), so the core of character creation and play costs nothing to read. A “GM emulator” fills the empty Dungeon Master chair: a small set of tables you roll on to answer yes/no questions about the world (“Is the door locked?”) and to throw in random complications.

How to run a solo DnD session with dice

  1. Make one character, or a small party of two or three. One is simpler. A small party survives longer and lets you split the spotlight.
  2. Pick a short adventure. A one-shot dungeon works best. Read it once, then try to forget the details so the rooms can still surprise you.
  3. Ask the oracle instead of deciding. Before each scene, phrase a question and roll. Treat “yes, but” and “no, and” answers as the interesting ones.
  4. Roll the fights exactly as written. The rules are your opponent here, because nobody else is.
  5. Keep a one-line log per scene. It becomes your campaign record and makes the next session easy to resume.

The cost is cognitive load. You are the player, the rules referee and the narrator at once. Some people love that. Others find that knowing what is behind every door drains the tension, which is the whole reason they wanted a DM.

Choose this if you already know the rules well and enjoy the referee half of the job.

Option 3: a solo journaling RPG

A third family drops most of D&D’s rules on purpose. Solo journaling games give you prompts, a light resolution mechanic and a notebook, and the play is the writing. You describe what your character does, roll or draw to see what the world does back, and record it as prose.

These are not D&D, and they do not pretend to be. But many people searching for solo DnD games are really after one thing: a fantasy character with a life of their own, played at their own pace. A journaling game delivers exactly that, with nothing to calculate. We cover the wider family in Solo Role Playing Games: Three Ways to Play Alone.

Choose this if you enjoy writing and want a slow, reflective session more than a dungeon crawl.

Option 4: an AI game master

The newest shape puts something back in the DM’s chair. You type what your character does, and an AI narrates what happens: the guard who answers, the bridge that gives way, the stranger who recognises your family crest.

This is the only option where the world reacts to an action nobody planned for. A video game needs a button for your idea. A GM emulator needs you to invent the answer. An AI narrator just answers.

The honest trade is rules. Most AI game masters handle dice loosely or skip them. A few tools try to run real fifth-edition mechanics, and we compare those in AI D&D: What an AI Dungeon Master Can Actually Run. If ability checks and spell slots are why you play, read that first.

Where LLM RPG fits

We build LLM RPG, so read this section as the pitch it is.

It has no D&D rules. No classes, no spell slots, no combat rounds. What it does is the half of a good DM that is hardest to fake: knowing the world and remembering what you did in it.

If you want to see what a session actually reads like before trying it, our Shattered Crown playthrough quotes a real run turn by turn.

Comparing the options on what matters most

QuestionVideo gameRules plus emulatorJournaling RPGAI game master
Uses D&D rules?Yes, exactlyYes, exactlyNoRarely
Can it surprise you?Within its scriptThrough the diceThrough promptsYes, in prose
Can you try anything?Only what has a buttonYes, you decideYes, you write itYes, it answers
Prep timeNoneHighLowNone
Needs a powerful computer?YesNoNoNo, a browser

Which solo DnD game fits you

When the manual way is enough

Plenty of people never need anything beyond dice, the free rules and a notebook. If you enjoy improvising, have a shelf of adventures you never got to run, and like seeing the whole board, the manual way is the cheapest and most flexible solo DnD game there is. It works offline, it is yours entirely, and nothing about it can change its terms on you.

The tools above earn their place only when one specific thing gets in the way: the arithmetic (take the video game), the blank page (take a journaling system), or the fact that you cannot surprise yourself (take an AI narrator).

Getting started tonight

Pick the one question that matters to you, rules or story, and start small. A single dungeon, one character, one evening. If story is your answer and you want to feel what an AI narrator is like before committing to anything, start a guest trial and play five turns in a ready-made world. If the answer turns out to be rules after all, you have lost ten minutes and learned exactly which of the four you wanted.


Try it rather than reading about it

Five turns in a ready-made world, with no account and no card.

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